seaweedfs/weed/shell/command_cluster_raft_ps.go

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package shell
import (
"context"
"flag"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"io"
)
func init() {
Commands = append(Commands, &commandRaftClusterPs{})
}
type commandRaftClusterPs struct {
}
func (c *commandRaftClusterPs) Name() string {
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return "cluster.raft.ps"
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}
func (c *commandRaftClusterPs) Help() string {
return `check current raft cluster status
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cluster.raft.ps
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`
}
func (c *commandRaftClusterPs) Do(args []string, commandEnv *CommandEnv, writer io.Writer) (err error) {
raftClusterPsCommand := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
if err = raftClusterPsCommand.Parse(args); err != nil {
return nil
}
err = commandEnv.MasterClient.WithClient(false, func(client master_pb.SeaweedClient) error {
resp, err := client.RaftListClusterServers(context.Background(), &master_pb.RaftListClusterServersRequest{})
if err != nil {
return fmt.Errorf("raft list cluster: %v", err)
}
fmt.Fprintf(writer, "the raft cluster has %d servers\n", len(resp.ClusterServers))
for _, server := range resp.ClusterServers {
fmt.Fprintf(writer, " * %s %s (%s)\n", server.Id, server.Address, server.Suffrage)
}
return nil
})
return err
}